Which of the statements best describes what happens to mass during a chemical reaction?

The mass is rearranged.

The mass amount stays the same.

The mass is ionized.

The mass amount is destroyed.

Part a a microwave oven operates at 2.90 ghz. what is the wavelength of the radiation produced by this appliance? express the wavelength numerically in nanometers.

Which type of rock contains minerals arranged in crystals and forms when molten rock cools and turns solid? a. metamorphic rock b. fossilized rock c. igneous rock d. sedimentary rock

If an oxygen has 8 protons in its nucleus what is its atomic number A. 6 B. 8 C. 4 D. 12

Felix has three metal bowls that are the same shape and size. Felix fills each bowl to the top with boiling water. The first bowl holds 2.5 liters, the second bowl holds 1.0 liter, and the third bowl holds 0.75 liters.

The cell membrane allows gas and nutrients to enter in the cell. this is called

Which of the following is an example of the strong nuclear force acting in an atom? A. A proton repelling a proton B. A neutron attracting a neutron C. A neutron repelling an electron D. An electron attracting a proton

Does the air in our atmosphere have mass?

Your instructor hands you a closed flask partly filled with room-temperature water. When you hold it, the heat transfer between your bare hands and the flask causes the water to boil. Quite impressive! How is this accomplished?

Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines. sewing machine pair of tongs fishing rod and reel seesaw wheelbarrow crane Reset Next

How long do you stay in school here in Auburn schools